WO2008101171A3 - Temperature sensing apparatus and methods for treatment devices used to deliver high frequency energy to tissue - Google Patents

Temperature sensing apparatus and methods for treatment devices used to deliver high frequency energy to tissue Download PDF

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Publication number
WO2008101171A3
WO2008101171A3 PCT/US2008/054102 US2008054102W WO2008101171A3 WO 2008101171 A3 WO2008101171 A3 WO 2008101171A3 US 2008054102 W US2008054102 W US 2008054102W WO 2008101171 A3 WO2008101171 A3 WO 2008101171A3
Authority
WO
WIPO (PCT)
Prior art keywords
tissue
high frequency
frequency energy
delivery device
thermal sensor
Prior art date
Application number
PCT/US2008/054102
Other languages
French (fr)
Other versions
WO2008101171A2 (en
Inventor
Bryan Weber
Original Assignee
Thermage Inc
Bryan Weber
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thermage Inc, Bryan Weber filed Critical Thermage Inc
Publication of WO2008101171A2 publication Critical patent/WO2008101171A2/en
Publication of WO2008101171A3 publication Critical patent/WO2008101171A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/06—Electrodes for high-frequency therapy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/40—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals
    • A61N1/403—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals for thermotherapy, e.g. hyperthermia
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00—Thermometers specially adapted for specific purposes
    • G01K13/20—Clinical contact thermometers for use with humans or animals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
    • G01K7/04—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples the object to be measured not forming one of the thermoelectric materials
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00022—Sensing or detecting at the treatment site
    • A61B2017/00084—Temperature
    • A61B2017/00088—Temperature using thermistors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00022—Sensing or detecting at the treatment site
    • A61B2017/00084—Temperature
    • A61B2017/00092—Temperature using thermocouples
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00696—Controlled or regulated parameters
    • A61B2018/00702—Power or energy
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00773—Sensed parameters
    • A61B2018/00791—Temperature
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00773—Sensed parameters
    • A61B2018/00791—Temperature
    • A61B2018/00797—Temperature measured by multiple temperature sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/328—Applying electric currents by contact electrodes alternating or intermittent currents for improving the appearance of the skin, e.g. facial toning or wrinkle treatment

Abstract

Apparatus and methods for delivering high frequency energy to tissue with improved temperature sensing. The treatment apparatus may be a delivery device (14) positiortable adjacent to the tissue (30). The delivery device (14) may further include an electrode (16) adapted to deliver high frequency energy to the tissue (30) and at least one thermal sensor (64, 69, 75, 81, 100, 118, 130, 162, 202). In one embodiment, the thermal sensor (64, 100, 1 18, 130, 162, 202) may include one or more thermocouple junctions (70, 110, 112, 132, 142, 168, 175, 210, 214) of dissimilar metals formed by either thin film or thick film techniques. Alternatively, the thermal sensor (69, 75, 81) may include a body (74, 80, 82) composed of a resistive material having a resistance that varies with temperature to an extent sufficient to measure the skin temperature. A region of the delivery device near the thermal sensor may be heated by a heater (96), before skin contact is established during treatment, for purposes of detecting contact by the occurrence of heat loss from the delivery device region.
PCT/US2008/054102 2007-02-16 2008-02-15 Temperature sensing apparatus and methods for treatment devices used to deliver high frequency energy to tissue WO2008101171A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US89029507P 2007-02-16 2007-02-16
US60/890,295 2007-02-16

Publications (2)

Publication Number Publication Date
WO2008101171A2 WO2008101171A2 (en) 2008-08-21
WO2008101171A3 true WO2008101171A3 (en) 2008-10-09

Family

ID=39535410

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2008/054102 WO2008101171A2 (en) 2007-02-16 2008-02-15 Temperature sensing apparatus and methods for treatment devices used to deliver high frequency energy to tissue

Country Status (2)

Country Link
US (1) US20080200969A1 (en)
WO (1) WO2008101171A2 (en)

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US8788060B2 (en) * 2009-07-16 2014-07-22 Solta Medical, Inc. Tissue treatment systems with high powered functional electrical stimulation and methods for reducing pain during tissue treatments
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US8292495B2 (en) 2010-04-07 2012-10-23 Arizant Healthcare Inc. Zero-heat-flux, deep tissue temperature measurement devices with thermal sensor calibration
US8560086B2 (en) * 2010-12-02 2013-10-15 St. Jude Medical, Atrial Fibrillation Division, Inc. Catheter electrode assemblies and methods of construction therefor
US9354122B2 (en) 2011-05-10 2016-05-31 3M Innovative Properties Company Zero-heat-flux, deep tissue temperature measurement system
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US9277958B2 (en) 2012-02-22 2016-03-08 Candela Corporation Reduction of RF electrode edge effect
US9889297B2 (en) 2012-02-22 2018-02-13 Candela Corporation Reduction of RF electrode edge effect
US9161802B2 (en) 2013-01-03 2015-10-20 Solta Medical, Inc. Patterned electrodes for tissue treatment systems
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US9439717B2 (en) * 2013-08-13 2016-09-13 Covidien Lp Surgical forceps including thermal spread control
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US10130413B2 (en) * 2014-02-11 2018-11-20 Covidien Lp Temperature-sensing electrically-conductive tissue-contacting plate and methods of manufacturing same
US20160263389A1 (en) * 2015-03-09 2016-09-15 ThermiGen, LLC Radiofrequency treatment probe for treating overactive bladders and associated systems and methods
US11179565B2 (en) 2015-04-08 2021-11-23 Koninklijke Philips N.V. Non-invasive skin treatment device using r.f. electrical current with a treatment settings determiner
US20190275320A1 (en) * 2016-11-08 2019-09-12 Massachusetts Institute Of Technology Systems and methods of facial treatment and strain sensing
US10856741B2 (en) * 2016-12-14 2020-12-08 Vital Connect, Inc. Core body temperature detection device
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KR20230091323A (en) * 2021-12-16 2023-06-23 원텍 주식회사 High-frequency energy delivery device with precise temperature tracking

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Also Published As

Publication number Publication date
US20080200969A1 (en) 2008-08-21
WO2008101171A2 (en) 2008-08-21

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